1. All thumbs 2. A bad apple 3. A dog in the manger 4. A tough nut to crack 5. Big shot 6. Fat cat 7. The long and short of it 8. The last straw 9. Laugh one's head off 10. Shoot in the dark 11. To get one's head around 12. Fate is sealed 13. When hell freezes over 14. Haste makes waste 15. Lay some sweet lines on 16. Fat chance 17. A cold fish 18. Make it 19. Once in a blue moon 20. It's all Greek to me. 21. Behind someone's back. 22. Think outside the box 23. Re-invent the wheel 24. Play something by ear 25. Strike a balance between